Johnny Knox says he's giving up football

The Bears terminated Knox's contract Tuesday after he missed this past season recovering from a back injury. Knox told the Chicago Sun-Times (http://bit.ly/12AQ66o) on Wednesday that his career is over and he's ''moving on and going forward.'' Knox says he's not going to able to perform with the same ability he used to have.

Knox says he knows ''things will work out for the best.'' He says he has no hard feelings toward the Bears.

Knox needed surgery to stabilize a vertebra after he sustained a back injury against Seattle late in the 2011 season.

Knox had 133 receptions for 2,214 yards from 2009 to 2011 and was on special teams with 55 kickoff returns for 1,506 yards.